Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Everything you could want to know about our home planet, Earth. When it comes to astronomical subjects for videos, I don't ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

WASHINGTON >> Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star - one of our closest ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...